Wolf Tooth Components B-screw 25 mm

The 25 mm B-screw for Wolf Tooth Components GC with Shimano rear derailleurThe 25 mm long B-screw by Wolf Tooth Components must be used if the Wolf Tooth GC 42-tooth sprocket is used with a Shimano rear derailleur. It may also be required for the GC 40-too

$8.00 $14.00

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